4661647654 has 4 divisors (see below), whose sum is σ = 6992471484. Its totient is φ = 2330823826.

The previous prime is 4661647609. The next prime is 4661647667. The reversal of 4661647654 is 4567461664.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4661647598 and 4661647607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165411912 + ... + 1165411915.

It is an arithmetic number, because the mean of its divisors is an integer number (1748117871).

Almost surely, 2^4661647654 is an apocalyptic number.

4661647654 is a deficient number, since it is larger than the sum of its proper divisors (2330823830).

4661647654 is a wasteful number, since it uses less digits than its factorization.

4661647654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330823829.

The product of its digits is 2903040, while the sum is 49.

The square root of 4661647654 is about 68276.2598126172. The cubic root of 4661647654 is about 1670.5000061367.

The spelling of 4661647654 in words is "four billion, six hundred sixty-one million, six hundred forty-seven thousand, six hundred fifty-four".